A choice is the root of all morality. Without choice, one can have no moral code. In a vacuum bereft of alternatives, there can be no values. And without values, there can be no reason for a code of ethics. What gives our lives meaning is which alternatives we choose. If we have no options, if we can take but one path, we are by definition slaves.
That level of trust was what being in command was truly about--being able to lead someone not only down an unknown path, but also a seemingly wrong path, if the need called for doing so.